12 English 2154324 *2154324*
Malfunction Possible cause Action to be taken
The No Filter service indica-
tor lights up.
The filter bag is missing or is not
fitted correctly.
▶Insert the filter bag. → page 9
The Water flow blocked ser-
vice indicator lights up.
No water or too little water
flows although there is ade-
quate water in the container.
Cooling-water hose of the
WMS 100 is not fully connected
to the water connection of the
diamond core drilling machine.
▶Fully connect the cooling-water
hose to the water connection
of the diamond core drilling
machine.
Water valve of the diamond core
drilling machine is closed.
▶Open the water valve on the
diamond core drilling machine.
Flow of water at the core bit is
blocked.
▶Make sure that the water can
flow through the core bit.
Pre-filter of the WMS 100 is
clogged.
▶Check the prefilter. → page 10
Through-hole in the connecting
nipple of the cooling-water hose is
clogged.
▶Use a pin to clear the hole in the
nipple.
Strainer in the water connection of
the diamond core drilling machine
is clogged.
▶Clean the mesh filter with a
brush.
The Unknown error service
indicator lights up.
The diamond core drilling machine
has received an unknown error
code from the WMS 100.
▶Check the WMS 100 for faults
and consult the operating
instructions of the WMS 100 for
a solution.
The connection between the
water hose and the appliance
is stiff to operate.
The connecting nipple is dry and/or
dirty.
▶Grease the O-ring and the
recess.
The filter bag holder is pulled
up when the top section of
the appliance is lifted
Internal water connector parts are
dry and/or clogged.
▶Check the seal on the filter
support. → page 11
No water or too little water
flows although there is ade-
quate water in the container.
The prefilter is blocked. ▶Check the prefilter. → page 10
The water hose connector nipple is
blocked.
▶Use a pin to clear the hole in the
nipple.
The mesh filter on the drilling ma-
chine water connection is clogged.
▶Clean the mesh filter with a
brush.
No suction or reduced suc-
tion performance.
The filter bag is clogged. ▶Change the filter bag.
The flow indicator sight glass
is dirty.
Dirt deposits. ▶Unscrew the flow indicator and
clean it.
The appliance doesn’t start in
REC or VAC mode.
The float is stuck. ▶Check the float level. → page 11
Another diamond core drilling
machine has automatically
connected to the accessory
used (e.g. water treatment
system) via Bluetooth.
Several diamond core drilling ma-
chines are connected to the same
accessory. The accessory always
connects automatically to the di-
amond core drilling machine that
enables the connection to be es-
tablished fastest.
▶Switch Bluetooth on the ac-
cessory off and then on again
and connect the diamond core
drilling machine to the acces-
sory again.
The WMS 100 was not found
by the diamond core drilling
machine.
Bluetooth is deactivated. ▶Activate the Bluetooth function
on the tools to be paired.
→ page 7